1/*
2 * linker script for LPC1768 (512kB Flash, 32kB + 32kB SRAM ) with GNU ld
3 * bernard.xiong 2012-01-13
4 */
5
6/* Program Entry, set to mark it as "used" and avoid gc */
7MEMORY
8{
9    CODE (rx) : ORIGIN = 0x00000000, LENGTH = 0x00080000
10    DATA (rw) : ORIGIN = 0x10000000, LENGTH = 0x00008000
11}
12ENTRY(Reset_Handler)
13_system_stack_size = 0x200;
14
15SECTIONS
16{
17    .text :
18    {
19        . = ALIGN(4);
20        KEEP(*(.interrupt_vector))      /* Startup code */
21        . = ALIGN(4);
22        *(.text)                        /* remaining code */
23        *(.text.*)                      /* remaining code */
24        *(.rodata)                      /* read-only data (constants) */
25        *(.rodata*)
26        *(.glue_7)
27        *(.glue_7t)
28        *(.gnu.linkonce.t*)
29
30        /* section information for finsh shell */
31        . = ALIGN(4);
32        __fsymtab_start = .;
33        KEEP(*(FSymTab))
34        __fsymtab_end = .;
35        . = ALIGN(4);
36        __vsymtab_start = .;
37        KEEP(*(VSymTab))
38        __vsymtab_end = .;
39
40        . = ALIGN(4);
41        __rt_init_start = .;
42        KEEP(*(SORT(.rti_fn*)))
43        __rt_init_end = .;
44        . = ALIGN(4);
45
46        PROVIDE(__ctors_start__ = .);
47        /* old GCC version uses .ctors */
48        KEEP(*(SORT(.ctors.*)))
49        KEEP(*(.ctors))
50        /* new GCC version uses .init_array */
51        KEEP (*(SORT(.init_array.*)))
52        KEEP (*(.init_array))
53        PROVIDE(__ctors_end__ = .);
54
55        /* section information for modules */
56        . = ALIGN(4);
57        __rtmsymtab_start = .;
58        KEEP(*(RTMSymTab))
59        __rtmsymtab_end = .;
60
61        . = ALIGN(4);
62        _etext = .;
63    } > CODE = 0
64
65    /* .ARM.exidx is sorted, so has to go in its own output section.  */
66    __exidx_start = .;
67    .ARM.exidx :
68    {
69        *(.ARM.exidx* .gnu.linkonce.armexidx.*)
70
71        /* This is used by the startup in order to initialize the .data secion */
72        _sidata = .;
73    } > CODE
74    __exidx_end = .;
75
76    /* .data section which is used for initialized data */
77
78    .data : AT (_sidata)
79    {
80        . = ALIGN(4);
81        /* This is used by the startup in order to initialize the .data secion */
82        _sdata = . ;
83
84        *(.data)
85        *(.data.*)
86        *(.gnu.linkonce.d*)
87
88        . = ALIGN(4);
89        /* This is used by the startup in order to initialize the .data secion */
90        _edata = . ;
91    } >DATA
92
93	.stack :
94	{
95		. = . + _system_stack_size;
96		. = ALIGN(4);
97		_estack = .;
98	} >DATA
99
100    __bss_start = .;
101    .bss :
102    {
103        . = ALIGN(4);
104        /* This is used by the startup in order to initialize the .bss secion */
105        _sbss = .;
106
107        *(.bss)
108        *(.bss.*)
109        *(COMMON)
110
111        . = ALIGN(4);
112        /* This is used by the startup in order to initialize the .bss secion */
113        _ebss = . ;
114        *(.bss.init)
115    } > DATA
116    __bss_end = .;
117
118    _end = .;
119
120    /* Stabs debugging sections.  */
121    .stab          0 : { *(.stab) }
122    .stabstr       0 : { *(.stabstr) }
123    .stab.excl     0 : { *(.stab.excl) }
124    .stab.exclstr  0 : { *(.stab.exclstr) }
125    .stab.index    0 : { *(.stab.index) }
126    .stab.indexstr 0 : { *(.stab.indexstr) }
127    .comment       0 : { *(.comment) }
128    /* DWARF debug sections.
129     * Symbols in the DWARF debugging sections are relative to the beginning
130     * of the section so we begin them at 0.  */
131    /* DWARF 1 */
132    .debug          0 : { *(.debug) }
133    .line           0 : { *(.line) }
134    /* GNU DWARF 1 extensions */
135    .debug_srcinfo  0 : { *(.debug_srcinfo) }
136    .debug_sfnames  0 : { *(.debug_sfnames) }
137    /* DWARF 1.1 and DWARF 2 */
138    .debug_aranges  0 : { *(.debug_aranges) }
139    .debug_pubnames 0 : { *(.debug_pubnames) }
140    /* DWARF 2 */
141    .debug_info     0 : { *(.debug_info .gnu.linkonce.wi.*) }
142    .debug_abbrev   0 : { *(.debug_abbrev) }
143    .debug_line     0 : { *(.debug_line) }
144    .debug_frame    0 : { *(.debug_frame) }
145    .debug_str      0 : { *(.debug_str) }
146    .debug_loc      0 : { *(.debug_loc) }
147    .debug_macinfo  0 : { *(.debug_macinfo) }
148    /* SGI/MIPS DWARF 2 extensions */
149    .debug_weaknames 0 : { *(.debug_weaknames) }
150    .debug_funcnames 0 : { *(.debug_funcnames) }
151    .debug_typenames 0 : { *(.debug_typenames) }
152    .debug_varnames  0 : { *(.debug_varnames) }
153}
154